Measurement E151M528

Experiment:	EG4
Year:	2016	Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson:	Xiaochao Zheng
Reaction:	ep → π⁺n
Polarization:	beam (longitudinal), target (longitudinal)
Quantity:	A_UL
ε_L:	0.6685
Q²:	0.2915 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.8864

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	270.0	-0.1919	0.5409
0.65	282.0	1.5168	0.5972
0.75	90.0	-0.0944	0.6123
0.75	102.0	0.5005	0.5632
0.75	258.0	0.7835	0.5749
0.75	270.0	-0.4702	0.5378
0.75	282.0	1.0113	0.6481
0.75	294.0	0.0459	0.4961
0.85	78.0	0.7135	0.4926
0.85	90.0	0.1159	0.5427
0.85	102.0	-0.7492	0.476
0.85	114.0	-0.2325	0.5701
0.85	126.0	-0.2061	0.5945
0.85	234.0	-0.1177	0.5353
0.85	246.0	0.2137	0.6895
0.85	258.0	0.0669	0.47
0.85	270.0	-0.0173	0.5581
0.85	282.0	-0.4874	0.484
0.85	294.0	0.5283	0.5958
0.85	306.0	0.2254	0.512
0.95	90.0	0.7913	0.6329
0.95	102.0	-0.6176	0.4866
0.95	114.0	-0.059	0.6642
0.95	126.0	-0.2278	0.5812
0.95	246.0	0.6792	0.6224
0.95	270.0	0.3223	0.4759
0.95	282.0	-0.1648	0.5105
0.95	294.0	-0.442	0.4263
0.95	306.0	-0.7644	0.4584

CLAS Physics Database